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PolySwitch Resettable Fuses - PPTC

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Tradename = PolySwitch

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Part #

Resettable Fuses - PPTC 60V 40A 5.00W Radial-leaded Device

RKEF500
Littelfuse
1: $1.20
4,160In Stock
11,250Expected 10/28/2026

Mfr. Part #
RKEF500

Mouser Part #
650-RKEF500

Littelfuse

Resettable Fuses - PPTC 60V 40A 5.00W Radial-leaded Device

Learn More

Datasheet

4,160In Stock

11,250Expected 10/28/2026

$1.20

$1.11

$0.919

$0.848

View

Min.: 1
Mult.: 1

RKEF

PCB Mount

Radial

5 A

60 VDC

10 A

40 A

50 mOhms

- 40 C

+ 85 C

10.9 mm

Bulk

Resettable Fuses - PPTC 60V 40A 0.03Ohms

RKEF500-1
Littelfuse
1: $1.92
6,086In Stock

Mfr. Part #
RKEF500-1

Mouser Part #
650-RKEF500-1

Littelfuse

Resettable Fuses - PPTC 60V 40A 0.03Ohms

Learn More

Datasheet

6,086In Stock

$1.92

$1.44

$1.08

$1.06

View

Min.: 1
Mult.: 1

RKEF

PCB Mount

Radial

5 A

60 VDC

10 A

40 A

30 mOhms

- 40 C

+ 85 C

10.9 mm

Bulk

Resettable Fuses - PPTC .9A 30V 100A Imax

RUEF090
Littelfuse
1: $0.46
21,307In Stock

Mfr. Part #
RUEF090

Mouser Part #
650-RUEF090

Littelfuse

Resettable Fuses - PPTC .9A 30V 100A Imax

Learn More

Datasheet

21,307In Stock

$0.46

$0.421

$0.349

$0.322

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

900 mA

30 VDC

1.8 A

100 A

220 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC 1.1A 30V 100A Imax

RUEF110-2
Littelfuse
1: $0.55
6,730In Stock

Mfr. Part #
RUEF110-2

Mouser Part #
650-RUEF110-2

Littelfuse

Resettable Fuses - PPTC 1.1A 30V 100A Imax

Learn More

Datasheet

6,730In Stock

Cut Tape

$0.55

$0.504

$0.467

$0.40

Reel

$0.222

View

Min.: 1
Mult.: 1

: 3,000

RUEF

PCB Mount

Radial

1.1 A

30 VDC

2.2 A

100 A

170 mOhms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape

Resettable Fuses - PPTC 1.35A 30V 100A Imax

RUEF135
Littelfuse
1: $0.45
34,055In Stock

Mfr. Part #
RUEF135

Mouser Part #
650-RUEF135

Littelfuse

Resettable Fuses - PPTC 1.35A 30V 100A Imax

Learn More

Datasheet

34,055In Stock

$0.45

$0.415

$0.344

$0.318

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

1.35 A

30 VDC

2.7 A

100 A

130 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC 1.6A 30V 100A Imax

RUEF160
Littelfuse
1: $0.49
15,154In Stock

Mfr. Part #
RUEF160

Mouser Part #
650-RUEF160

Littelfuse

Resettable Fuses - PPTC 1.6A 30V 100A Imax

Learn More

Datasheet

15,154In Stock

$0.49

$0.442

$0.373

$0.326

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

1.6 A

30 VDC

3.2 A

100 A

110 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC 1.85A 30V 100A Imax

RUEF185
Littelfuse
1: $0.47
10,981In Stock

Mfr. Part #
RUEF185

Mouser Part #
650-RUEF185

Littelfuse

Resettable Fuses - PPTC 1.85A 30V 100A Imax

Learn More

Datasheet

10,981In Stock

$0.47

$0.432

$0.359

$0.331

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

1.85 A

30 VDC

3.7 A

100 A

90 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC 2.5A 30V 100A Imax

RUEF250-2
Littelfuse
1: $0.60
8,542In Stock
30,000Expected 1/6/2027

Mfr. Part #
RUEF250-2

Mouser Part #
650-RUEF250-2

Littelfuse

Resettable Fuses - PPTC 2.5A 30V 100A Imax

Learn More

Datasheet

8,542In Stock

30,000Expected 1/6/2027

Cut Tape

$0.60

$0.552

$0.458

$0.423

Reel

$0.243

View

Min.: 1
Mult.: 1

: 3,000

RUEF

PCB Mount

Radial

2.5 A

30 VDC

5 A

100 A

70 mOhms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape

Resettable Fuses - PPTC 3A 30V 100A Imax

RUEF300
Littelfuse
1: $0.52
34,857In Stock

Mfr. Part #
RUEF300

Mouser Part #
650-RUEF300

Littelfuse

Resettable Fuses - PPTC 3A 30V 100A Imax

Learn More

Datasheet

34,857In Stock

$0.52

$0.476

$0.395

$0.353

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

3 A

30 VDC

6 A

100 A

80 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC 3A 30V 100A Imax

RUEF300-2
Littelfuse
1: $0.64
8,172In Stock

Mfr. Part #
RUEF300-2

Mouser Part #
650-RUEF300-2

Littelfuse

Resettable Fuses - PPTC 3A 30V 100A Imax

Learn More

Datasheet

8,172In Stock

Cut Tape

$0.64

$0.589

$0.489

$0.451

Reel

$0.265

View

Min.: 1
Mult.: 1

: 2,500

RUEF

PCB Mount

Radial

3 A

30 VDC

6 A

100 A

80 mOhms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape

Resettable Fuses - PPTC 4A 30V 100A Imax

RUEF400
Littelfuse
1: $0.65
19,442In Stock

Mfr. Part #
RUEF400

Mouser Part #
650-RUEF400

Littelfuse

Resettable Fuses - PPTC 4A 30V 100A Imax

Learn More

Datasheet

19,442In Stock

$0.65

$0.57

$0.493

$0.441

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

4 A

30 VDC

8 A

100 A

50 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC 5A 30V 100A Imax

RUEF500
Littelfuse
1: $0.78
24,612In Stock
3,750Expected 10/14/2026

Mfr. Part #
RUEF500

Mouser Part #
650-RUEF500

Littelfuse

Resettable Fuses - PPTC 5A 30V 100A Imax

Learn More

Datasheet

24,612In Stock

3,750Expected 10/14/2026

$0.78

$0.691

$0.564

$0.535

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

5 A

30 VDC

10 A

100 A

50 mOhms

- 40 C

+ 85 C

10.9 mm

Bulk

Resettable Fuses - PPTC 5A 30V 100A Imax

RUEF500K-2
Littelfuse
1: $0.89
5,940In Stock

Mfr. Part #
RUEF500K-2

Mouser Part #
650-RUEF500K-2

Littelfuse

Resettable Fuses - PPTC 5A 30V 100A Imax

Learn More

Datasheet

5,940In Stock

Cut Tape

$0.89

$0.821

$0.681

$0.629

View

Reel

$0.405

Min.: 1
Mult.: 1

: 1,500

RUEF

PCB Mount

Radial

5 A

30 VDC

10 A

100 A

50 mOhms

- 40 C

+ 85 C

10.9 mm

Reel, Cut Tape

Resettable Fuses - PPTC 6A 30V 100A Imax

RUEF600
Littelfuse
1: $0.78
15,681In Stock
12,250Expected 11/11/2026

Mfr. Part #
RUEF600

Mouser Part #
650-RUEF600

Littelfuse

Resettable Fuses - PPTC 6A 30V 100A Imax

Learn More

Datasheet

15,681In Stock

12,250Expected 11/11/2026

$0.78

$0.72

$0.594

$0.537

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

6 A

30 VDC

12 A

100 A

40 mOhms

- 40 C

+ 85 C

10.9 mm

Bulk

Resettable Fuses - PPTC 7A 30V 100A Imax

RUEF700
Littelfuse
1: $0.86
10,931In Stock

Mfr. Part #
RUEF700

Mouser Part #
650-RUEF700

Littelfuse

Resettable Fuses - PPTC 7A 30V 100A Imax

Learn More

Datasheet

10,931In Stock

$0.86

$0.788

$0.654

$0.604

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

7 A

30 VDC

14 A

100 A

30 mOhms

- 40 C

+ 85 C

10.9 mm

Bulk

Resettable Fuses - PPTC 8A 30V 100A Imax

RUEF800
Littelfuse
1: $0.94
5,912In Stock

Mfr. Part #
RUEF800

Mouser Part #
650-RUEF800

Littelfuse

Resettable Fuses - PPTC 8A 30V 100A Imax

Learn More

Datasheet

5,912In Stock

$0.94

$0.856

$0.698

$0.659

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

8 A

30 VDC

16 A

100 A

20 mOhms

- 40 C

+ 85 C

10.9 mm

Bulk

Resettable Fuses - PPTC 9A 30V 100A Imax

RUEF900
Littelfuse
1: $1.22
18,308In Stock

Mfr. Part #
RUEF900

Mouser Part #
650-RUEF900

Littelfuse

Resettable Fuses - PPTC 9A 30V 100A Imax

Learn More

Datasheet

18,308In Stock

$1.22

$1.13

$0.868

$0.827

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

9 A

30 VDC

18 A

100 A

20 mOhms

- 40 C

+ 85 C

10.9 mm

Bulk

Resettable Fuses - PPTC .05A 60V 40A Imax

RXEF005
Littelfuse
1: $0.40
34,058In Stock

Mfr. Part #
RXEF005

Mouser Part #
650-RXEF005

Littelfuse

Resettable Fuses - PPTC .05A 60V 40A Imax

Learn More

Datasheet

Product Comments

34,058In Stock

$0.40

$0.367

$0.305

$0.271

View

Min.: 1
Mult.: 1

RXEF

PCB Mount

Radial

50 mA

60 VDC

100 mA

40 A

20 Ohms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC Radial Lead .05A 60V 40A Imax

RXEF005-2
Littelfuse
1: $0.51
11,821In Stock

Mfr. Part #
RXEF005-2

Mouser Part #
650-RXEF005-2

Littelfuse

Resettable Fuses - PPTC Radial Lead .05A 60V 40A Imax

Learn More

Datasheet

Product Comments

11,821In Stock

Cut Tape

$0.51

$0.45

$0.385

$0.329

Reel

$0.204

View

Min.: 1
Mult.: 1

: 3,000

RXEF

PCB Mount

Radial

50 mA

60 VDC

100 mA

40 A

20 Ohms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape

Resettable Fuses - PPTC Radial Lead .1A 60V 40A Imax

RXEF010
Littelfuse
1: $0.39
21,421In Stock
28,000Expected 11/11/2026

Mfr. Part #
RXEF010

Mouser Part #
650-RXEF010

Littelfuse

Resettable Fuses - PPTC Radial Lead .1A 60V 40A Imax

Learn More

Datasheet

Product Comments

21,421In Stock

28,000Expected 11/11/2026

$0.39

$0.355

$0.295

$0.272

View

Min.: 1
Mult.: 1

RXEF

PCB Mount

Radial

100 mA

60 VDC

200 mA

40 A

7.5 Ohms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC Radial Lead .1A 60V 40A Imax

RXEF010-2
Littelfuse
1: $0.49
6,972In Stock
18,000Expected 10/13/2026

Mfr. Part #
RXEF010-2

Mouser Part #
650-RXEF010-2

Littelfuse

Resettable Fuses - PPTC Radial Lead .1A 60V 40A Imax

Learn More

Datasheet

Product Comments

6,972In Stock

18,000Expected 10/13/2026

Cut Tape

$0.49

$0.449

$0.373

$0.344

Reel

$0.198

View

Min.: 1
Mult.: 1

: 3,000

RXEF

PCB Mount

Radial

100 mA

60 VDC

200 mA

40 A

7.5 Ohms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape

Resettable Fuses - PPTC Radial Lead .17A 60V 40A Imax

RXEF017
Littelfuse
1: $0.39
11,406In Stock

Mfr. Part #
RXEF017

Mouser Part #
650-RXEF017

Littelfuse

Resettable Fuses - PPTC Radial Lead .17A 60V 40A Imax

Learn More

Datasheet

Product Comments

11,406In Stock

$0.39

$0.355

$0.295

$0.272

View

Min.: 1
Mult.: 1

RXEF

PCB Mount

Radial

170 mA

60 VDC

340 mA

40 A

8 Ohms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax

RXEF020
Littelfuse
1: $0.40
12,733In Stock

Mfr. Part #
RXEF020

Mouser Part #
650-RXEF020

Littelfuse

Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax

Learn More

Datasheet

Product Comments

12,733In Stock

$0.40

$0.361

$0.30

$0.266

View

Min.: 1
Mult.: 1

RXEF

PCB Mount

Radial

200 mA

72 VDC

400 mA

40 A

4.4 Ohms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC Radial Lead .25A 72V 40A Imax

RXEF025
Littelfuse
1: $0.40
24,850In Stock

Mfr. Part #
RXEF025

Mouser Part #
650-RXEF025

Littelfuse

Resettable Fuses - PPTC Radial Lead .25A 72V 40A Imax

Learn More

Datasheet

Product Comments

24,850In Stock

$0.40

$0.364

$0.303

$0.265

View

Min.: 1
Mult.: 1

RXEF

PCB Mount

Radial

250 mA

72 VDC

500 mA

40 A

3 Ohms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC Radial Lead .25A 72V 40A Imax

RXEF025-2
Littelfuse
1: $0.50
10,062In Stock

Mfr. Part #
RXEF025-2

Mouser Part #
650-RXEF025-2

Littelfuse

Resettable Fuses - PPTC Radial Lead .25A 72V 40A Imax

Learn More

Datasheet

Product Comments

10,062In Stock

Cut Tape

$0.50

$0.46

$0.382

$0.352

Reel

$0.202

View

Min.: 1
Mult.: 1

: 3,000

RXEF

PCB Mount

Radial

250 mA

72 VDC

500 mA

40 A

3 Ohms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape

PolySwitch Resettable Fuses - PPTC

Customer Service Office

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0603L
0805L
1206L
1210L
2920L
AGRF
AHEF
AHRF
AHS
ASMD
ASMDC
BD280
BD540
decaSMD
femtoASMD
femtoSMD
HT SMD
LR4
LSP
LVR

20 mA
50 mA
55 mA
80 mA
100 mA
110 mA
120 mA
130 mA
140 mA
145 mA
150 mA
160 mA
170 mA
180 mA
183 mA
184 mA
200 mA
230 mA
250 mA
300 mA

6 V
6 VDC
8 VDC
9 VDC
12 V
12 VDC
13.2 VDC
14 VDC
15 V
15 VDC
16 V
16 VDC
18 VDC
20 VDC
24 VDC
30 V
30 VDC
32 VDC
33 VDC
48 VDC

60 mA
100 mA
120 mA
150 mA
160 mA
170 mA
190 mA
200 mA
220 mA
240 mA
250 mA
260 mA
280 mA
290 mA
300 mA
320 mA
340 mA
350 mA
370 mA
390 mA

1 A
1.2 A
2 A
3 A
3.1 A
3.5 A
4.5 A
5.5 A
7 A
7.5 A
10 A
12.5 A
15 A
20 A
25 A
40 A
50 A
60 A
70 A
100 A

3.3 mOhms
4.4 mOhms
4.5 mOhms
6.4 mOhms
6.5 mOhms
6.7 mOhms
7 mOhms
8.6 mOhms
8.9 mOhms
9 mOhms
9.1 mOhms
9.2 mOhms
10 mOhms
10.2 mOhms
10.6 mOhms
11 mOhms
12 mOhms
13 mOhms
13.1 mOhms
13.5 mOhms